| | Echo Output one or more strings... |
| | Currency Formating a number as a currency string... |
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| Case Change the case of a string... |
| | | Implode Join array elements with a string... |
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| Crypt One-way string encryption (hashing)... |
| | Trim Strip whitespace from the beginning or end of a string... |
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| | Sorting Strings This code implements a comparison algorithm that orders alphanumeric strings in the way a human bein... |
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